* configure.ac.in: print an error message if libmpeg2 is not found or too old.

* configure.ac.in: the libmpeg2 plugin is now enabled by default when the right version of libmpeg2 is detected (0.3.2 aka cvs).

   of our custom dialog

  gibalou)

* modules/audio_output/file.c: fixed a mismatch in a config name.

    resetting.

   (it may break things on linux...)

* configure.ac.in: removed useless --with-ffmpeg=PATH ./configure option.

 Proxy aren't yet supported. Use mmsh to force it, else mms will try it
at the end (after mmst and mmsu). Some http url are in fact mmsh but
not yet auto-detected.
 *Please report* not working url and any regression for mmst and mmsu.

* Added support of whell for slider with GTK2

* configure.ac.in, modules/codec/ffmpeg/ffmpeg.c: fixed my last breakage in the ffmpeg detection code.

* configure.ac.in : disabled compiling the old mpeg_video plug-in, so :
DO NOT FORGET TO INSTALL LIBMPEG2 AND COMPILE WITH --enable-libmpeg2

* configure.ac.in, modules/codec/ffmpeg/*, modules/encoder/ffmpeg/*, modules/stream_out/transcode.c: fixed detection of the ffmpeg headers/libs when they are installed in their default location.

  But it's coooooool. http://sidekick.student.utwente.nl/videolan/transparent.jpg

  corresponding menu. On thy fly filter changes are still not possible.

* Filling GTK2Graphics and GTK2Region destructors

    redefinitions when linking twice with the same static libary.

 It's far from stable, produce file unplayable by mplayer at least,
and doesn't yet take care of video/audio synchro.
Becarefull that the header is written only when closing, and there is
no way to repair a mp4 file without its header.